Extension cord



FIG. 1 is a perspective view of the head portion of the extension cord;

FIG. 2 is a perspective view of the end portion of the extension cord;

FIG. 3 is a top plan view of FIG. 1;

FIG. 4 is a left side view of FIG. 1;

FIG. 5 is a right side view of FIG. 1;

FIG. 6 is a front view of FIG. 1;

FIG. 7 is a rear view of FIG. 1;

FIG. 8 is a bottom view of FIG. 1;

FIG. 9 is another perspective view of FIG. 1;

FIG. 10 is another perspective view of FIG. 1;

FIG. 11 is a bottom view of FIG. 2;

FIG. 12 is a right side view of FIG. 2;

FIG. 13 is a left side view of FIG. 2;

FIG. 14 is a front view of FIG. 2;

FIG. 15 is a rear view of FIG. 2;

FIG. 16 is a top plan view of FIG. 2;

FIG. 17 is another perspective view of FIG. 2; and,

FIG. 18 is a top plan view of the tail of FIG. 2.

The cord is shown with a symbolic break in its length. The appearance of any portion of the article between the break lines forms no part of the claimed design. In the drawings, the broken lines are for the purpose of illustrating environment only and form no part of the claimed design. 

CLAIM The ornamental design for an extension cord, as shown and described. 